# -*- coding:utf-8 -*-
"""
Author：Administrator
Date:2021年09月06日
"""
import numpy as np
# import matplotlib.pyplot as plt

A1 = np.random.randn(3)
print(A1)
print('-' * 30)
A2 = np.random.randn(2, 3)
print(A2)
print('-' * 30)
A3 = np.random.randn(2, 3, 4)
print(A3)
print('-' * 30)
